21 C.F.R. § 522.224
Bupivacaine.
Cite as 21 C.F.R. § 522.224 (2026)
(a)
Specifications.
Each milliliter (mL) of liposomal suspension contains 13.3 milligrams (mg) bupivacaine.
(b)
Sponsor.
See No. 058198 in § 510.600(c) of this chapter.
(c)
Conditions of use
—(1)
Dogs
—(i)
Amount.
Administer 5.3 mg/kg (0.4 mL/kg) by infiltration injection into the tissue layers at the time of incisional closure.
(ii)
Indications for use.
For single-dose infiltration into the surgical site to provide local postoperative analgesia for cranial cruciate ligament surgery.
(2)
Cats
—(i)
Amount.
Administer 5.3 mg/kg per forelimb (0.4 mL/kg per forelimb), for a total dose of 10.6 mg/kg/cat, as a 4-point nerve block prior to onychectomy.
(ii)
Indications for use.
For use as a peripheral nerve block to provide regional postoperative analgesia following onychectomy.
[81 FR 67151, Sept. 30, 2016, as amended at 84 FR 8973, Mar. 13, 2019; 85 FR 4208, Jan. 24, 2020]
- Cross-references to the CFR
- 510.600